/Engine/Source/Runtime/UMG/Public/Components/WidgetComponent.h
When using EWidgetGeometryMode::Cylinder, continues the trace from the front face of the widget component into the cylindrical geometry and returns adjusted hit results information.
two hit locations FVector is in world space and a FVector2D is in widget-space.
[TTuple](API\Runtime\Core\Misc\TTuple)< FVector, FVector2D > GetCylinderHitLocation ( FVector WorldHitLocation, FVector WorldHitDirection ) const